#include "icsearch.hpp"
#include "user.hxx"
#include "message.hxx"

namespace bite_im {
    class ESClientFactory {
        public:
            static std::shared_ptr<elasticlient::Client> create(const std::vector<std::string> host_list) {
                return std::make_shared<elasticlient::Client>(host_list);
            }
    };
    class ESUser {
        public:
            using ptr = std::shared_ptr<ESUser>;
            ESUser(const std::shared_ptr<elasticlient::Client> &client):
                _es_client(client){}
            bool createIndex() {
                bool ret = ESIndex(_es_client, "user")
                    .append("user_id", "keyword", "standard", true)
                    .append("nickname")
                    .append("phone", "keyword", "standard", true)
                    .append("description", "text", "standard", false)
                    .append("avatar_id", "keyword", "standard", false)
                    .create();
                if (ret == false) {
                    LOG_INFO("用户信息索引创建失败!");
                    return false;
                }
                LOG_INFO("用户信息索引创建成功!");
                return true;
            }
            bool appendData(const std::string &uid,
                const std::string &phone,
                const std::string &nickname,
                const std::string &description,
                const std::string &avatar_id) {
                bool ret = ESInsert(_es_client, "user")
                    .append("user_id", uid)
                    .append("nickname", nickname)
                    .append("phone", phone)
                    .append("description", description)
                    .append("avatar_id", avatar_id)
                    .insert(uid);
                if (ret == false) {
                    LOG_ERROR("用户数据插入/更新失败!");
                    return false;
                }
                LOG_INFO("用户数据新增/更新成功!");
                return true;
            }
            std::vector<User> search(const std::string &key, const std::vector<std::string> &uid_list) {
                std::vector<User> res;
                Json::Value json_user = ESSearch(_es_client, "user")
                    .append_should_match("phone.keyword", key)
                    .append_should_match("user_id.keyword", key)
                    .append_should_match("nickname", key)
                    .append_must_not_terms("user_id.keyword", uid_list)
                    .search();
                if (json_user.isArray() == false) {
                    LOG_ERROR("用户搜索结果为空，或者结果不是数组类型");
                    return res;
                }
                int sz = json_user.size();
                LOG_DEBUG("检索结果条目数量：{}", sz);
                for (int i = 0; i < sz; i++) {
                    User user;
                    user.user_id(json_user[i]["_source"]["user_id"].asString());
                    user.nickname(json_user[i]["_source"]["nickname"].asString());
                    user.description(json_user[i]["_source"]["description"].asString());
                    user.phone(json_user[i]["_source"]["phone"].asString());
                    user.avatar_id(json_user[i]["_source"]["avatar_id"].asString());
                    res.push_back(user);
                }
                return res;
            }
        private:
            // const std::string _uid_key = "user_id";
            // const std::string _desc_key = "user_id";
            // const std::string _phone_key = "user_id";
            // const std::string _name_key = "user_id";
            // const std::string _avatar_key = "user_id";
            std::shared_ptr<elasticlient::Client> _es_client;
    };

    class ESMessage {
        public:
            using ptr = std::shared_ptr<ESMessage>;
            ESMessage(const std::shared_ptr<elasticlient::Client> &es_client):
                _es_client(es_client){}
            bool createIndex() {
                bool ret = ESIndex(_es_client, "message")
                    .append("user_id", "keyword", "standard", false)
                    .append("message_id", "keyword", "standard", false)
                    .append("create_time", "long", "standard", false)
                    .append("chat_session_id", "keyword", "standard", true)
                    .append("content")
                    .create();
                if (ret == false) {
                    LOG_INFO("消息信息索引创建失败!");
                    return false;
                }
                LOG_INFO("消息信息索引创建成功!");
                return true;
            }
            bool appendData(const std::string &user_id,
                const std::string &message_id,
                const long create_time,
                const std::string &chat_session_id,
                const std::string &content) {
                bool ret = ESInsert(_es_client, "message")
                    .append("message_id", message_id)
                    .append("create_time", create_time)
                    .append("user_id", user_id)
                    .append("chat_session_id", chat_session_id)
                    .append("content", content)
                    .insert(message_id);
                if (ret == false) {
                    LOG_ERROR("消息数据插入/更新失败!");
                    return false;
                }
                LOG_INFO("消息数据新增/更新成功!");
                return true;
            }
            bool remove(const std::string &mid) {
                bool ret = ESRemove(_es_client, "message").remove(mid);
                if (ret == false) {
                    LOG_ERROR("消息数据删除失败!");
                    return false;
                }
                LOG_INFO("消息数据删除成功!");
                return true;
            }
            std::vector<bite_im::Message> search(const std::string &key, const std::string &ssid) {
                std::vector<bite_im::Message> res;
                Json::Value json_user = ESSearch(_es_client, "message")
                    .append_must_term("chat_session_id.keyword", ssid)
                    .append_must_match("content", key)
                    .search();
                if (json_user.isArray() == false) {
                    LOG_ERROR("用户搜索结果为空，或者结果不是数组类型");
                    return res;
                }
                int sz = json_user.size();
                LOG_DEBUG("检索结果条目数量：{}", sz);
                for (int i = 0; i < sz; i++) {
                    bite_im::Message message;
                    message.user_id(json_user[i]["_source"]["user_id"].asString());
                    message.message_id(json_user[i]["_source"]["message_id"].asString());
                    boost::posix_time::ptime ctime(boost::posix_time::from_time_t(
                        json_user[i]["_source"]["create_time"].asInt64()));
                    message.create_time(ctime);
                    message.session_id(json_user[i]["_source"]["chat_session_id"].asString());
                    message.content(json_user[i]["_source"]["content"].asString());
                    res.push_back(message);
                }
                return res;
            }
        private:
            std::shared_ptr<elasticlient::Client> _es_client;
    };
}